Minibooks

Microservices are a software development technique – a variant of the service-oriented architecture (SOA) structural style – that
arranges an application as a collection of loosely coupled services. In a microservices architecture, services are fine …

iText is an open source library for creating and manipulating PDF files in Java. iText provides support for most advanced PDF features such as PKI-based signatures, 40-bit and 128-bit encryption, color correction, Tagged PDF, PDF forms (AcroForms), P …

It’s no secret that log files are noisy and difficult to investigate. With the sheer volume of data coming in from our applications, you would think we would have meaningful insight into the health of those applications and the root cause of issues w …

AWS Lambda is an event-driven, serverless computing platform provided by Amazon as a part of the Amazon Web Services. It is a computing service that runs code in response to events and automatically manages the computing resources required by that co …

Testing is essential to ensure that your software retains an acceptable quality level and provides a great experience for your users. And automating as much of your testing strategy as possible will help improve efficiencies across your entire DevOps …

Apache ActiveMQ is an open source message broker written in Java together with a full Java Message Service (JMS) client. It provides “Enterprise Features” which in this case means fostering the communication from more than one client or server. Suppo …

Nginx is an open source HTTP and reverse proxy server, as well as a mail proxy server, load balancer, and HTTP cache. The nginx project started with a strong focus on high concurrency, high performance and low memory usage. It runs on Linux, BSD vari …

The Apache HTTP Server, colloquially called Apache, is the world’s most used web server software. Originally based on the NCSA HTTPd server, development of Apache began in early 1995 after work on the NCSA code stalled. Apache played a key role in th …

Oracle VM VirtualBox is a free and open-source hypervisor for x86 computers from Oracle Corporation. VirtualBox may be installed on a number of host operating systems, including: Linux, OS X, Windows, Solaris, and OpenSolaris. There are also ports to …